kopia lustrzana https://github.com/solokeys/solo1
959 wiersze
24 KiB
C
959 wiersze
24 KiB
C
// Copyright 2019 SoloKeys Developers
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//
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// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
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// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
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// http://opensource.org/licenses/MIT>, at your option. This file may not be
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// copied, modified, or distributed except according to those terms.
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#include <stdint.h>
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#include "stm32l4xx.h"
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#include "stm32l4xx_ll_gpio.h"
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#include "stm32l4xx_ll_rcc.h"
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#include "stm32l4xx_ll_crs.h"
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#include "stm32l4xx_ll_system.h"
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#include "stm32l4xx_ll_pwr.h"
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#include "stm32l4xx_ll_utils.h"
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#include "stm32l4xx_ll_cortex.h"
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#include "stm32l4xx_ll_gpio.h"
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#include "stm32l4xx_ll_usart.h"
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#include "stm32l4xx_ll_bus.h"
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#include "stm32l4xx_ll_tim.h"
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#include "stm32l4xx_ll_rng.h"
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#include "stm32l4xx_ll_spi.h"
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#include "stm32l4xx_ll_usb.h"
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#include "stm32l4xx_ll_exti.h"
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#include "stm32l4xx_hal_pcd.h"
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#include "stm32l4xx_hal.h"
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#include "usbd_core.h"
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#include "usbd_desc.h"
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#include "usbd_hid.h"
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#include "usbd_cdc.h"
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#include "usbd_ccid.h"
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#include "usbd_composite.h"
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#include "usbd_cdc_if.h"
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#include "device.h"
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#include "init.h"
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#include "sense.h"
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#include APP_CONFIG
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// KHz
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#define MAX_CLOCK_RATE 24000
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#define SET_CLOCK_RATE2() SystemClock_Config()
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#if MAX_CLOCK_RATE == 48000
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#define SET_CLOCK_RATE0() SystemClock_Config_LF32()
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#define SET_CLOCK_RATE1() SystemClock_Config_LF48()
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#elif MAX_CLOCK_RATE == 32000
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#define SET_CLOCK_RATE0() SystemClock_Config_LF24()
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#define SET_CLOCK_RATE1() SystemClock_Config_LF32()
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#elif MAX_CLOCK_RATE == 28000
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#define SET_CLOCK_RATE0() SystemClock_Config_LF24()
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#define SET_CLOCK_RATE1() SystemClock_Config_LF28()
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#elif MAX_CLOCK_RATE == 24000
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#define SET_CLOCK_RATE0() SystemClock_Config_LF16()
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#define SET_CLOCK_RATE1() SystemClock_Config_LF24()
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#elif MAX_CLOCK_RATE == 20000
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#define SET_CLOCK_RATE0() SystemClock_Config_LF16()
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#define SET_CLOCK_RATE1() SystemClock_Config_LF20()
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#elif MAX_CLOCK_RATE == 16000
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#define SET_CLOCK_RATE0() SystemClock_Config_LF8()
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#define SET_CLOCK_RATE1() SystemClock_Config_LF16()
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#else
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#error "Invalid clock rate selected"
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#endif
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USBD_HandleTypeDef Solo_USBD_Device;
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static void LL_Init(void);
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#define Error_Handler() _Error_Handler(__FILE__,__LINE__)
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void _Error_Handler(char *file, int line);
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void SystemClock_Config(void);
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void SystemClock_Config_LF16(void);
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void SystemClock_Config_LF20(void);
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void SystemClock_Config_LF24(void);
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void SystemClock_Config_LF28(void);
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void SystemClock_Config_LF48(void);
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void hw_init(int lowfreq)
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{
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#ifdef IS_BOOTLOADER
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SCB->VTOR = FLASH_BASE;
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#else
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#endif
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LL_Init();
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init_gpio();
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if (lowfreq)
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{
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE2); // Under voltage
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device_set_clock_rate(DEVICE_LOW_POWER_IDLE);
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE2);
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}
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else
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{
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SystemClock_Config();
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}
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if (!lowfreq)
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{
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init_pwm();
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}
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init_millisecond_timer(lowfreq);
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#if DEBUG_LEVEL > 0
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init_debug_uart();
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#endif
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init_rng();
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init_spi();
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}
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static void LL_Init(void)
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{
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
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NVIC_SetPriorityGrouping(4);
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/* System interrupt init*/
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/* MemoryManagement_IRQn interrupt configuration */
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NVIC_SetPriority(MemoryManagement_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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/* BusFault_IRQn interrupt configuration */
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NVIC_SetPriority(BusFault_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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/* UsageFault_IRQn interrupt configuration */
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NVIC_SetPriority(UsageFault_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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/* SVCall_IRQn interrupt configuration */
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NVIC_SetPriority(SVCall_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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/* DebugMonitor_IRQn interrupt configuration */
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NVIC_SetPriority(DebugMonitor_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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/* PendSV_IRQn interrupt configuration */
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NVIC_SetPriority(PendSV_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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/* SysTick_IRQn interrupt configuration */
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NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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}
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void device_set_clock_rate(DEVICE_CLOCK_RATE param)
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{
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switch(param)
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{
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case DEVICE_LOW_POWER_IDLE:
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SET_CLOCK_RATE0();
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break;
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#if !defined(IS_BOOTLOADER)
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case DEVICE_LOW_POWER_FAST:
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SET_CLOCK_RATE1();
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break;
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case DEVICE_FAST:
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SET_CLOCK_RATE2();
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break;
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#endif
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}
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
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LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
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if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2)
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{
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Error_Handler();
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}
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
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LL_RCC_HSI48_Enable();
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/* Wait till HSI48 is ready */
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while(LL_RCC_HSI48_IsReady() != 1)
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{
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}
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LL_RCC_LSI_Enable();
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/* Wait till LSI is ready */
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while(LL_RCC_LSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_Enable();
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/* Wait till MSI is ready */
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while(LL_RCC_MSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_EnableRangeSelection();
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LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_11);
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LL_RCC_MSI_SetCalibTrimming(0);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_MSI);
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/* Wait till System clock is ready */
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_MSI)
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{
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}
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_16);
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LL_Init1msTick(48000000);
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LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
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LL_SetSystemCoreClock(48000000);
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LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
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LL_RCC_SetUSBClockSource(LL_RCC_USB_CLKSOURCE_HSI48);
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_CRS);
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LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_CRS);
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LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_CRS);
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LL_CRS_SetSyncDivider(LL_CRS_SYNC_DIV_1);
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LL_CRS_SetSyncPolarity(LL_CRS_SYNC_POLARITY_RISING);
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LL_CRS_SetSyncSignalSource(LL_CRS_SYNC_SOURCE_USB);
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LL_CRS_SetReloadCounter(__LL_CRS_CALC_CALCULATE_RELOADVALUE(48000000,1000));
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LL_CRS_SetFreqErrorLimit(34);
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LL_CRS_SetHSI48SmoothTrimming(32);
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/* SysTick_IRQn interrupt configuration */
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NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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}
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void SystemClock_Config_LF4(void)
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{
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SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
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LL_RCC_LSI_Enable();
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/* Wait till LSI is ready */
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while(LL_RCC_LSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_Enable();
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/* Wait till MSI is ready */
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while(LL_RCC_MSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_EnableRangeSelection();
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LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_6);
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LL_RCC_MSI_SetCalibTrimming(0);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_MSI);
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/* Wait till System clock is ready */
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_MSI)
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{
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}
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
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LL_Init1msTick(4000000);
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LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
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LL_SetSystemCoreClock(4000000);
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LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
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LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_MSI);
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/* SysTick_IRQn interrupt configuration */
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NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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LL_FLASH_SetLatency(LL_FLASH_LATENCY_0);
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if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_0)
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{
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Error_Handler();
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}
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}
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// 8MHz
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void SystemClock_Config_LF8(void)
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{
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SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
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LL_RCC_LSI_Enable();
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/* Wait till LSI is ready */
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while(LL_RCC_LSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_Enable();
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/* Wait till MSI is ready */
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while(LL_RCC_MSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_EnableRangeSelection();
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LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_7);
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LL_RCC_MSI_SetCalibTrimming(0);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_MSI);
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/* Wait till System clock is ready */
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_MSI)
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{
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}
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
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LL_Init1msTick(8000000);
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LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
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LL_SetSystemCoreClock(8000000);
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LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
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LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_MSI);
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/* SysTick_IRQn interrupt configuration */
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NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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LL_FLASH_SetLatency(LL_FLASH_LATENCY_0);
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if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_0)
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{
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Error_Handler();
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}
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}
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// 16MHz
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void SystemClock_Config_LF16(void)
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{
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SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE2);
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LL_RCC_LSI_Enable();
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/* Wait till LSI is ready */
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while(LL_RCC_LSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_Enable();
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/* Wait till MSI is ready */
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while(LL_RCC_MSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_EnableRangeSelection();
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LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_8);
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LL_RCC_MSI_SetCalibTrimming(0);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_MSI);
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/* Wait till System clock is ready */
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_MSI)
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{
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}
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_8);
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LL_Init1msTick(16000000);
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LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
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LL_SetSystemCoreClock(16000000);
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LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
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LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_MSI);
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/* SysTick_IRQn interrupt configuration */
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NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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LL_FLASH_SetLatency(LL_FLASH_LATENCY_0);
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if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_0)
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{
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Error_Handler();
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}
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}
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// 24 MHz
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void SystemClock_Config_LF24(void)
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{
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SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
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LL_FLASH_SetLatency(LL_FLASH_LATENCY_1);
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if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_1)
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{
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Error_Handler();
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}
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE2);
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LL_RCC_LSI_Enable();
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/* Wait till LSI is ready */
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while(LL_RCC_LSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_Enable();
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/* Wait till MSI is ready */
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while(LL_RCC_MSI_IsReady() != 1)
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{
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}
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LL_RCC_MSI_EnableRangeSelection();
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LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_9);
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LL_RCC_MSI_SetCalibTrimming(0);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_MSI);
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/* Wait till System clock is ready */
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_MSI)
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{
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}
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_8);
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LL_Init1msTick(24000000);
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LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
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LL_SetSystemCoreClock(24000000);
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LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
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LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_MSI);
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/* SysTick_IRQn interrupt configuration */
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NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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}
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// 32 MHz
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void SystemClock_Config_LF32(void)
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{
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SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
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LL_FLASH_SetLatency(LL_FLASH_LATENCY_1);
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if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_1)
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{
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Error_Handler();
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}
|
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LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
|
|
|
|
LL_RCC_LSI_Enable();
|
|
|
|
/* Wait till LSI is ready */
|
|
while(LL_RCC_LSI_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_MSI_Enable();
|
|
|
|
/* Wait till MSI is ready */
|
|
while(LL_RCC_MSI_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_MSI_EnableRangeSelection();
|
|
|
|
LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_10);
|
|
|
|
LL_RCC_MSI_SetCalibTrimming(0);
|
|
|
|
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_MSI);
|
|
|
|
/* Wait till System clock is ready */
|
|
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_MSI)
|
|
{
|
|
|
|
}
|
|
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
|
|
|
|
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
|
|
|
|
LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_16);
|
|
|
|
LL_Init1msTick(32000000);
|
|
|
|
LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
|
|
|
|
LL_SetSystemCoreClock(32000000);
|
|
|
|
LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
|
|
|
|
LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_MSI);
|
|
|
|
/* SysTick_IRQn interrupt configuration */
|
|
NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
|
|
|
|
}
|
|
|
|
// 28 MHz
|
|
void SystemClock_Config_LF28(void)
|
|
{
|
|
SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
|
|
LL_FLASH_SetLatency(LL_FLASH_LATENCY_1);
|
|
|
|
if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_1)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
|
|
|
|
LL_RCC_HSI_Enable();
|
|
|
|
/* Wait till HSI is ready */
|
|
while(LL_RCC_HSI_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_HSI_SetCalibTrimming(16);
|
|
|
|
LL_RCC_LSI_Enable();
|
|
|
|
/* Wait till LSI is ready */
|
|
while(LL_RCC_LSI_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_MSI_Enable();
|
|
|
|
/* Wait till MSI is ready */
|
|
while(LL_RCC_MSI_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_MSI_EnableRangeSelection();
|
|
|
|
LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_6);
|
|
|
|
LL_RCC_MSI_SetCalibTrimming(0);
|
|
|
|
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI, LL_RCC_PLLM_DIV_2, 28, LL_RCC_PLLR_DIV_8);
|
|
|
|
LL_RCC_PLL_EnableDomain_SYS();
|
|
|
|
LL_RCC_PLL_Enable();
|
|
|
|
/* Wait till PLL is ready */
|
|
while(LL_RCC_PLL_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
|
|
|
|
/* Wait till System clock is ready */
|
|
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
|
|
{
|
|
|
|
}
|
|
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
|
|
|
|
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
|
|
|
|
LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_8);
|
|
|
|
LL_Init1msTick(28000000);
|
|
|
|
LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
|
|
|
|
LL_SetSystemCoreClock(28000000);
|
|
|
|
LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
|
|
|
|
LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_MSI);
|
|
|
|
/* SysTick_IRQn interrupt configuration */
|
|
NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
|
|
}
|
|
|
|
// 48 MHz
|
|
void SystemClock_Config_LF48(void)
|
|
{
|
|
SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
|
|
|
|
|
|
LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
|
|
|
|
if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
|
|
|
|
LL_RCC_LSI_Enable();
|
|
|
|
/* Wait till LSI is ready */
|
|
while(LL_RCC_LSI_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_MSI_Enable();
|
|
|
|
/* Wait till MSI is ready */
|
|
while(LL_RCC_MSI_IsReady() != 1)
|
|
{
|
|
|
|
}
|
|
LL_RCC_MSI_EnableRangeSelection();
|
|
|
|
LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_11);
|
|
|
|
LL_RCC_MSI_SetCalibTrimming(0);
|
|
|
|
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_MSI);
|
|
|
|
/* Wait till System clock is ready */
|
|
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_MSI)
|
|
{
|
|
|
|
}
|
|
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
|
|
|
|
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
|
|
|
|
LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_16);
|
|
|
|
LL_Init1msTick(48000000);
|
|
|
|
LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
|
|
|
|
LL_SetSystemCoreClock(48000000);
|
|
|
|
LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
|
|
|
|
LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_MSI);
|
|
|
|
/* SysTick_IRQn interrupt configuration */
|
|
NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
|
|
|
|
|
|
}
|
|
|
|
// 20 MHz
|
|
void SystemClock_Config_LF20(void)
|
|
{
|
|
SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
|
|
}
|
|
|
|
void init_usb(void)
|
|
{
|
|
// enable USB power
|
|
SET_BIT(PWR->CR2, PWR_CR2_USV);
|
|
|
|
// Enable USB Clock
|
|
SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_USBFSEN);
|
|
#ifndef IS_BOOTLOADER
|
|
USBD_Composite_Set_Classes(&USBD_HID, &USBD_CCID, &USBD_CDC);
|
|
in_endpoint_to_class[HID_EPIN_ADDR & 0x7F] = 0;
|
|
out_endpoint_to_class[HID_EPOUT_ADDR & 0x7F] = 0;
|
|
|
|
in_endpoint_to_class[CCID_IN_EP & 0x7F] = 1;
|
|
out_endpoint_to_class[CCID_OUT_EP & 0x7F] = 1;
|
|
|
|
in_endpoint_to_class[CDC_IN_EP & 0x7F] = 2;
|
|
out_endpoint_to_class[CDC_OUT_EP & 0x7F] = 2;
|
|
|
|
USBD_Init(&Solo_USBD_Device, &Solo_Desc, 0);
|
|
USBD_RegisterClass(&Solo_USBD_Device, &USBD_Composite);
|
|
#if DEBUG_LEVEL > 0
|
|
USBD_CDC_RegisterInterface(&Solo_USBD_Device, &USBD_Interface_fops_FS);
|
|
#endif
|
|
#else
|
|
USBD_Init(&Solo_USBD_Device, &Solo_Desc, 0);
|
|
USBD_RegisterClass(&Solo_USBD_Device, &USBD_HID);
|
|
#endif
|
|
USBD_Start(&Solo_USBD_Device);
|
|
}
|
|
|
|
void init_pwm(void)
|
|
{
|
|
|
|
LL_TIM_InitTypeDef TIM_InitStruct;
|
|
LL_TIM_OC_InitTypeDef TIM_OC_InitStruct;
|
|
|
|
LL_GPIO_InitTypeDef GPIO_InitStruct;
|
|
|
|
/* Peripheral clock enable */
|
|
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM2);
|
|
|
|
TIM2->SR = 0 ;
|
|
|
|
TIM_InitStruct.Prescaler = 0;
|
|
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
|
|
TIM_InitStruct.Autoreload = 1000;
|
|
TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
|
|
LL_TIM_Init(TIM2, &TIM_InitStruct);
|
|
|
|
LL_TIM_EnableARRPreload(TIM2);
|
|
|
|
LL_TIM_SetClockSource(TIM2, LL_TIM_CLOCKSOURCE_INTERNAL);
|
|
|
|
TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_PWM1;
|
|
TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_ENABLE;
|
|
TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_ENABLE;
|
|
TIM_OC_InitStruct.CompareValue = 1000;
|
|
TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
|
|
LL_TIM_OC_Init(TIM2, LL_TIM_CHANNEL_CH2, &TIM_OC_InitStruct);
|
|
|
|
LL_TIM_OC_DisableFast(TIM2, LL_TIM_CHANNEL_CH2);
|
|
|
|
TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_ENABLE;
|
|
TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_ENABLE;
|
|
LL_TIM_OC_Init(TIM2, LL_TIM_CHANNEL_CH3, &TIM_OC_InitStruct);
|
|
|
|
LL_TIM_OC_DisableFast(TIM2, LL_TIM_CHANNEL_CH3);
|
|
|
|
TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_ENABLE;
|
|
TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_ENABLE;
|
|
LL_TIM_OC_Init(TIM2, LL_TIM_CHANNEL_CH4, &TIM_OC_InitStruct);
|
|
|
|
LL_TIM_OC_DisableFast(TIM2, LL_TIM_CHANNEL_CH4);
|
|
|
|
LL_TIM_SetOCRefClearInputSource(TIM2, LL_TIM_OCREF_CLR_INT_NC);
|
|
|
|
LL_TIM_DisableExternalClock(TIM2);
|
|
|
|
LL_TIM_ConfigETR(TIM2, LL_TIM_ETR_POLARITY_NONINVERTED, LL_TIM_ETR_PRESCALER_DIV1, LL_TIM_ETR_FILTER_FDIV1);
|
|
|
|
LL_TIM_SetTriggerOutput(TIM2, LL_TIM_TRGO_RESET);
|
|
|
|
LL_TIM_DisableMasterSlaveMode(TIM2);
|
|
|
|
/**TIM2 GPIO Configuration
|
|
PA1 ------> TIM2_CH2
|
|
PA2 ------> TIM2_CH3
|
|
PA3 ------> TIM2_CH4
|
|
*/
|
|
GPIO_InitStruct.Pin = LL_GPIO_PIN_1|LL_GPIO_PIN_2|LL_GPIO_PIN_3;
|
|
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
|
|
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
|
|
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
|
|
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
|
|
GPIO_InitStruct.Alternate = LL_GPIO_AF_1;
|
|
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
LL_TIM_EnableCounter(TIM2);
|
|
|
|
}
|
|
|
|
void init_debug_uart(void)
|
|
{
|
|
|
|
LL_USART_InitTypeDef USART_InitStruct;
|
|
|
|
LL_GPIO_InitTypeDef GPIO_InitStruct;
|
|
|
|
/* Peripheral clock enable */
|
|
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
|
|
|
|
|
|
LL_USART_DeInit(USART1);
|
|
/**USART1 GPIO Configuration
|
|
PB6 ------> USART1_TX
|
|
PB7 ------> USART1_RX
|
|
*/
|
|
GPIO_InitStruct.Pin = LL_GPIO_PIN_6|LL_GPIO_PIN_7;
|
|
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
|
|
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
|
|
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
|
|
GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
|
|
LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
|
USART_InitStruct.BaudRate = 115200;
|
|
USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
|
|
USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
|
|
USART_InitStruct.Parity = LL_USART_PARITY_NONE;
|
|
USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
|
|
USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
|
|
USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
|
|
LL_USART_Init(USART1, &USART_InitStruct);
|
|
|
|
LL_USART_ConfigAsyncMode(USART1);
|
|
|
|
LL_USART_Enable(USART1);
|
|
|
|
}
|
|
|
|
void init_gpio(void)
|
|
{
|
|
|
|
/* GPIO Ports Clock Enable */
|
|
LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
|
|
LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOB);
|
|
|
|
|
|
|
|
LL_GPIO_SetPinMode(SOLO_BUTTON_PORT,SOLO_BUTTON_PIN,LL_GPIO_MODE_INPUT);
|
|
LL_GPIO_SetPinPull(SOLO_BUTTON_PORT,SOLO_BUTTON_PIN,LL_GPIO_PULL_UP);
|
|
|
|
#ifndef IS_BOOTLOADER
|
|
LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTA, LL_SYSCFG_EXTI_LINE0);
|
|
LL_EXTI_InitTypeDef EXTI_InitStruct;
|
|
EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_0; // GPIOA_0
|
|
EXTI_InitStruct.Line_32_63 = LL_EXTI_LINE_NONE;
|
|
EXTI_InitStruct.LineCommand = ENABLE;
|
|
EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
|
|
EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_RISING;
|
|
LL_EXTI_Init(&EXTI_InitStruct);
|
|
|
|
NVIC_EnableIRQ(EXTI0_IRQn);
|
|
#endif
|
|
|
|
}
|
|
|
|
void init_millisecond_timer(int lf)
|
|
{
|
|
|
|
LL_TIM_InitTypeDef TIM_InitStruct;
|
|
|
|
/* Peripheral clock enable */
|
|
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM6);
|
|
|
|
// 48 MHz sys clock --> 6 MHz timer clock
|
|
// 48 MHz / 48000 == 1000 Hz
|
|
if (!lf)
|
|
TIM_InitStruct.Prescaler = 48000;
|
|
else
|
|
TIM_InitStruct.Prescaler = MAX_CLOCK_RATE;
|
|
|
|
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
|
|
TIM_InitStruct.Autoreload = 90;
|
|
LL_TIM_Init(TIM6, &TIM_InitStruct);
|
|
|
|
LL_TIM_DisableARRPreload(TIM6);
|
|
|
|
LL_TIM_SetTriggerOutput(TIM6, LL_TIM_TRGO_RESET);
|
|
|
|
LL_TIM_DisableMasterSlaveMode(TIM6);
|
|
|
|
// enable interrupt
|
|
TIM6->DIER |= 1;
|
|
|
|
// Start immediately
|
|
LL_TIM_EnableCounter(TIM6);
|
|
|
|
TIM6->SR = 0;
|
|
__enable_irq();
|
|
NVIC_EnableIRQ(TIM6_IRQn);
|
|
}
|
|
|
|
|
|
void init_rng(void)
|
|
{
|
|
|
|
/* Peripheral clock enable */
|
|
LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_RNG);
|
|
|
|
LL_RNG_Enable(RNG);
|
|
|
|
}
|
|
|
|
/* SPI1 init function */
|
|
void init_spi(void)
|
|
{
|
|
|
|
LL_SPI_InitTypeDef SPI_InitStruct;
|
|
|
|
LL_GPIO_InitTypeDef GPIO_InitStruct;
|
|
|
|
/* Peripheral clock enable */
|
|
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SPI1);
|
|
|
|
/**SPI1 GPIO Configuration
|
|
PA5 ------> SPI1_SCK
|
|
PA6 ------> SPI1_MISO
|
|
PA7 ------> SPI1_MOSI
|
|
*/
|
|
GPIO_InitStruct.Pin = LL_GPIO_PIN_5|LL_GPIO_PIN_6|LL_GPIO_PIN_7;
|
|
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
|
|
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
|
|
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
|
|
GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
|
|
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
/* SPI1 parameter configuration*/
|
|
SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
|
|
SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
|
|
SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_8BIT;
|
|
SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW;
|
|
SPI_InitStruct.ClockPhase = LL_SPI_PHASE_2EDGE;
|
|
SPI_InitStruct.NSS = LL_SPI_NSS_SOFT;
|
|
SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV8;
|
|
SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST;
|
|
SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
|
|
SPI_InitStruct.CRCPoly = 7;
|
|
LL_SPI_Init(SPI1, &SPI_InitStruct);
|
|
|
|
LL_SPI_SetStandard(SPI1, LL_SPI_PROTOCOL_MOTOROLA);
|
|
|
|
|
|
}
|